Samsung CCBQ730M User Manual

Version 1.0 Samsung Electronics page 2 of 53. Operational DescriptionCCBQ730M is the 802.11a/b/g/n/ac WIFI Module that acts as a communication controller for users of awireless device to connect to SMART DEVICE- Features> IEEE 802.11 a/b/g/n/ac> Dual-band 2T2R Mode(2.4GHz/5GHz)> 2X2 MIMO, 600MHz> Support 20MHz, 40MHz, 80MHz bandwidth in 2.4GHz band 5GHz band¦> Security support for WFA WPA/WPA2 personal, WPS2.0, WAPIP> QoS support of WFA WMM, WMM PST> Integrated LNA, PA, and T/R switch> Optional external LNA and PA support.> Bluetooth 4.2 Low Energy(LE)> Channel assessment and WB RSSI for AFH- Time base of the RF frequencyFor IF and RF frequency, a crystal(40MHz) is a clock reference.- SynthesizerSynthesizer inside Transceiver. Internal voltage controlled oscillator (VCO) provides the desired LOsignal base on the phase-locked loop (PLL) with a relatively wide tuning range for this application.Internal fractional nPLL allows support for a wide range of reference clock frequencies- WIFI TransmissionBaseband data is modulated and upconverted to the 2.4GHz ISM band, respectively.Base-band Processing (BBP) IC has DSSS and OFDM modulation function, it provides transmission datarate are 1, 2, 5.5, 11Mbps on DSSS and 6, 12, 18, 24, 36, 48, 54 Mbps on OFDM. Digital data signal willbe converted to analog (TX IQ) signals through DAC in BBP IC, TX IQ pass through to low pass filter. TXI/Q signaluse direct conversion (zero-IF) architecture converter to generate carrier frequency signal. TransceiverIC and internal PA magnify output power.- WIFI ReceiverReverse direction isolation of LNA inside Transceiver IC suppresses unwanted radiation. Then RFsignal will be directly down to IF signal (RX IQ) and high frequency spurious emissions are suppressed byLPF. At last RX IQ signal will be demodulated digital data.- Bluetooth 4.2> LE Privacy 1.2> Data length extension> LE security connection

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